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Casper Pegmatite

The fluorescent minerals on Casper Mountain are mineralogically rather non-descript. But they are beautiful for such mutts.

2393u2350u2376u 2345u2192u 2208u 2196u2379u 2373u

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Copyright © 2001-2008 Dennis Murrell - Free for Private Use. - All Other Rights Are Reserved.

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Old Stope

Material from this pegmatite was scavenged, as ornamental rock, for about 80 years. In Casper, there's hardly a city block without some. So, I thought it would be interesting to take a stroll and see just what fluorescence material I'd find.

My wife and I had a great time walking. We scared a few dogs and some deer. Greeted the other curious late night walkers. And we found some fluorescent material from other sources. But little of the pegmatite material was fluorescent.

It seems most of the fluorescence is localized in the pegmatite - serpentinite contact, a zone that wasn't exploited by the limited mining efforts there. And most of the scavenged material came from the amorphous core of the pegmatite.